REVENUE RECOGNITION - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue
Revenue	$ 177,077	$ 175,121
Product Sales | Air Cargo
Disaggregation of Revenue
Revenue	23,011	19,892
Product Sales | Ground equipment sales
Disaggregation of Revenue
Revenue	40,676	59,794
Product Sales | Commercial jet engines and parts
Disaggregation of Revenue
Revenue	49,356	40,066
Product Sales | Corporate and other
Disaggregation of Revenue
Revenue	285	327
Support Services | Air Cargo
Disaggregation of Revenue
Revenue	51,344	46,330
Support Services | Ground equipment sales
Disaggregation of Revenue
Revenue	518	291
Support Services | Commercial jet engines and parts
Disaggregation of Revenue
Revenue	7,049	4,743
Support Services | Corporate and other
Disaggregation of Revenue
Revenue	1,167	132
Leasing Revenue | Air Cargo
Disaggregation of Revenue
Revenue	0	0
Leasing Revenue | Ground equipment sales
Disaggregation of Revenue
Revenue	383	149
Leasing Revenue | Commercial jet engines and parts
Disaggregation of Revenue
Revenue	1,156	1,730
Leasing Revenue | Corporate and other
Disaggregation of Revenue
Revenue	571	136
Other | Air Cargo
Disaggregation of Revenue
Revenue	54	29
Other | Ground equipment sales
Disaggregation of Revenue
Revenue	662	445
Other | Commercial jet engines and parts
Disaggregation of Revenue
Revenue	128	254
Other | Corporate and other
Disaggregation of Revenue
Revenue	$ 717	$ 803